The general term of a sequence is given. Find the indicated partial sum.an = 4n - 2; S5
A. 100
B. 55
C. 85
D. 50
Answer: D
Mathematics
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Find the exact value of the expression using the provided information.Find sin(s - t) given that cos s = 
, with s in quadrant I, and 
with t in 
A. 
B. 
C. 
D. 
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.
- 
A. -9
B. - 3
C. - 3
D. -4.5
Mathematics
Find the indicated vector in terms of i and j.If u = -3i - 2j and v = 12i + 7j, find u + v.
A. -15i + 8j B. 9i + 5j C. 15i + 5j D. 8i + 5j
Mathematics
Provide an appropriate response.The points (3, 9), (6, 8), (8, 0), and (11, 3) are the vertices of a quadrilateral. Is the quadrilateral a rectangle?
A. Yes B. No
Mathematics